By Valérie Orsoni — Biohacker & Longevity Expert
Valérie Orsoni is a biohacker, author of 56 books, and founder of biohacker.fr. She has been tracking her biology through N=1 self-experimentation protocols since 1998. She has completed a Stanford Genetics Longevity Research certificate, a Stanford Medicine Nutrition Science certificate program and is currently enrolled in the Stanford Medicine GLP-1s & weight loss certification program. She was named in the Top 50 Longevity Leaders by Life Spanning magazine and is currently the #1 on the Longevity Cup Leaderboard (chronological age -23 years).
You measure your HRV every morning. You know your fasting glucose, your deep sleep minutes, maybe even your biological age. But the factor that 85 years of Harvard research ranks above cholesterol in predicting how well you’ll age doesn’t show up on any wearable. It builds silently, year after year, and only reveals itself decades later. The good news: you can start moving it in the right direction today.
🔒 This deep dive is reserved for subscribers. Unlock the full article and you’ll get:
The complete breakdown of the Harvard Study of Adult Development and the 148-study analysis linking social ties to a 50% greater likelihood of survival
The biology behind it: how connection and isolation affect cortisol, inflammation, gene expression, sleep, and blood pressure
The surprising link between your relationships and the vagal tone you already track
An exclusive quiz to assess your own “connection score” and see where you stand
A practical protocol to strengthen the longevity factor no app can measure
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